"0"^^ . . "03712111-n"^^ . "103573584"@en-us . . . "103712111"^^ . . . . . "main rotor"@en-us . . . "0"^^ . . "102959684"@en-us . "main rotor"^^ . "rotor consisting of large rotating airfoils on a single-rotor helicopter that produce the lift to support the helicopter in the air"@en-us .